what does it mean when i smell fuel inside my car??? - Nissan Forum
GA16DE 1.6L Engine Engine Discussion: 91-99 Sentra, 95-98 200SX, 91-93 NX1600

 
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post #1 of 11 Old Oct 8th, 2010, 12:10 PM Thread Starter
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what does it mean when i smell fuel inside my car???

someone please help? when i drive my nissa i smell fuel burning inside and outside my car i poped the hood and was scratching my head on what it could be so if anyone can help me out would greatly appreciate it
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post #2 of 11 Old Oct 8th, 2010, 03:10 PM
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Usually a fuel leak, or your car is running VERY rich.

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post #3 of 11 Old Oct 10th, 2010, 09:13 PM Thread Starter
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okay but where

where do you think it could possibly be leaking fuel from?...
and i know it could be running rich but how do i stop the engine from running rich?.. cause i smell the fuel in my car as well... i have a flowmaster cadilladict converter straight pipe with exaust.
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post #4 of 11 Old Oct 11th, 2010, 09:08 AM
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check your gas lines from the filler to the tank. my last b13 had some splits in the hose and every time i filled up, you smelled gas until it got down to about half tank.

Later, Jay :)

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post #5 of 11 Old Oct 11th, 2010, 02:03 PM
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Yeah, there's no special place for fuel to leak from.
Could be a cracked fuel line, so check the entire length.
Like jingjing said, could be your fuel tank rusted out and there's a leak in there somewhere.

It you can't find a leak, your car may be running excessively rich.
Usually, this is a bad O2 sensor, but it could also be leaking fuel injectors, dirty (or defective) IAC valve or just the general tune-up.

Does your car still drive normally?
Any loss of power?
Any recent drastic change in your gas mileage?
Does it always smell like gas or just sometimes (cold, warm, start-up, acceleration, idle...)

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PaceSetter header | K&N filter
Rear drum to Maxima disc conversion
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post #6 of 11 Old Oct 12th, 2010, 11:15 AM
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How long have you had your exhaust system and does it have a cat converter on it? I think you said it does when you described your flowmaster, but I just want to make sure.
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post #7 of 11 Old Oct 12th, 2010, 01:09 PM Thread Starter
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Thank You everyone

yes i do have a converter on it a flowmasters straight pipe to dwn.
I just bout my nissan 3 weeks ago. and yea it could be the fuel line. its a 91 car so it should be replaced along with the fuel pump, and the fuel filter.
But if my engine is running rich how do i stop that problem???
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post #8 of 11 Old Oct 12th, 2010, 04:01 PM
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Quote:
Originally Posted by tlhingan View Post
It you can't find a leak, your car may be running excessively rich.
Usually, this is a bad O2 sensor, but it could also be leaking fuel injectors, dirty (or defective) IAC valve or just the general tune-up.
Quote:
Originally Posted by dannyboi21 View Post
But if my engine is running rich how do i stop that problem???
Test the O2 sensor, remove the IAC valve and clean it. Also look at your air filter.

94 B13X | UR underdrive pulley
PaceSetter header | K&N filter
Rear drum to Maxima disc conversion
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post #9 of 11 Old Oct 13th, 2010, 11:11 AM
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It could be a number of things that would cause it to run rich. I would start with the things mentioned above like the filter, plugs, and O2 senser.
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post #10 of 11 Old Nov 4th, 2013, 04:51 PM
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2002 altima 2.5 fuel smell and no leak

Recently my Altima started smelling of Gas on the sides of the car. Not in the engine area or inside. No leaks were on the groundouts or around the filler. After reading a forum about the fuel pump being the possible cause.

I pulled the two rings at the front lower edge of the rear seat bottom. Lifted the seat bottom up. Removed to 4-5 screws and the sheet metal plate on left side (black)over the fuel pump. AND there was my problem. The white molded plastic top on the fuel pump assy. Was dribbling fuel through a small crack. If I had the new part this would have been a 10 minute fix (and $150 bucks) , disconnect the battery, Unplug the connections, disconnect the quick disconnect Fuel line. Use a block of wood and tap the large black lock ring counter clockwise and lift the pump assy. Out slowly, SLOWLY let it drain into the rank, you may have to tilt it for the fuel level sender. Total quick fix I hope not

Troy
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post #11 of 11 Old Nov 4th, 2013, 04:59 PM
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I remember once I smelled fuel in my car, and I finally realized that it was happening right after I fill up. Of course it was a leak from the big black hose attached to the metal pipe used to fill up your car.

I replaced my fuel pump once in about 20 minutes. Definitely head the SLOW warning; I got a pretty deep cut on my hand taking out the pump. The metal from the body of the car, that surrounds the fuel pump, is razor sharp on a b13.
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